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flickuplay.html
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flickuplay.html
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<html>
<head>
<link rel="icon"
type="image/png"
href="favicon.png">
<title>flickuboy</title>
<style>
a {
color:white;
}
#leftLink,#rightLink {
color:white;
text-decoration: none;
}
#centerLink {
color:white;
text-decoration: underline;
}
#content {
position: absolute;
top:0px;
bottom:30px;
left:0px;
right:0px;
background-color: white;
text-align: center;
padding:0;
margin:0;
}
#linkCanvas {
position: absolute;
background: transparent;
bottom:0;
left:0;
right:0;
text-align: center;
color: gray;
font-family: "Courier New";
}
#textcanvas {
position: absolute;
top:0;
bottom: 30px;
left: 0;
right: 0;
}
#content canvas {
top:0;
bottom:0;
left:0;
right:0;
padding: 0;
margin:0;
image-rendering: optimizeSpeed;
image-rendering: -moz-crisp-edges;
image-rendering: -webkit-optimize-contrast;
image-rendering: -o-crisp-edges;
image-rendering: pixelated;
-ms-interpolation-mode: nearest-neighbor;
}
#hackLink {
position: absolute;
right:10px;
float: right;
}
#homelink {
float: center;
}
#footer {
position:absolute;
left:0px;
right:0px;
bottom:0px;
height:30px;
margin:0;
padding:0;
background-color: black;
color:white;
text-align: center;
padding: 0;
line-height: 30px;
}
</style>
<script>
<!--__EmbedBegin__-->
var embeddedDat="__EMBED__";
<!--__EmbedEnd__-->
function getUrlVars() {
var vars = {};
var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi,
function(m,key,value) {
vars[key] = value;
});
return vars;
}
var urlVars = getUrlVars();
if (!("frameCount" in urlVars)){
urlVars["frameCount"]=1;
}
if (!("animationLength" in urlVars)){
urlVars["animationLength"]=0.5;
}
urlVars["frameCount"]=parseFloat(urlVars["frameCount"])
urlVars["animationLength"]=parseFloat(urlVars["animationLength"])
var frameCount=urlVars["frameCount"];
var animationLength=urlVars["animationLength"];
if(urlVars["a"]==="1"){
frameCount=8;
animationLength=0.5;
}
var showAnimation = frameCount>1;
var animating=false;
var zoom=1;
var currentIndex=0;
var currentVerb=0;
function redraw(){
console.log("resized "+window.innerWidth +"x"+window.innerHeight);
mainCanvas.width=mainCanvasContainer.clientWidth;
mainCanvas.height=mainCanvasContainer.clientHeight;
mainCanvasCtx.width=mainCanvasContainer.clientWidth;
mainCanvasCtx.height=mainCanvasContainer.clientHeight;
textCanvas.width=mainCanvasContainer.clientWidth;
textCanvas.height=mainCanvasContainer.clientHeight;
textCanvasCtx.width=mainCanvasContainer.clientWidth;
textCanvasCtx.height=mainCanvasContainer.clientHeight;
if (images.length>0){
mainCanvasCtx.imageSmoothingEnabled = false;
mainCanvasCtx.mozImageSmoothingEnabled = false;
mainCanvasCtx.oImageSmoothingEnabled = false;
mainCanvasCtx.webkitImageSmoothingEnabled = false;
mainCanvasCtx.msImageSmoothingEnabled = false;
textCanvasCtx.imageSmoothingEnabled = false;
textCanvasCtx.mozImageSmoothingEnabled = false;
textCanvasCtx.oImageSmoothingEnabled = false;
textCanvasCtx.webkitImageSmoothingEnabled = false;
textCanvasCtx.msImageSmoothingEnabled = false;
vs = gameState.verbs[currentIndex][currentVerb][0];
if (vs!==""){
if (currentVerb>0){
leftLink.style.visibility="";
} else {
leftLink.style.visibility="hidden";
}
if (currentVerb<5 && gameState.verbs[currentIndex][currentVerb+1][0]!==""){
rightLink.style.visibility="";
} else {
rightLink.style.visibility="hidden";
}
actionLink.style.visibility="";
actionLink.innerText=vs;
} else {
actionLink.style.visibility="hidden";
leftLink.style.visibility="hidden";
rightLink.style.visibility="hidden";
}
var w = mainCanvasCtx.width;
var h = mainCanvasCtx.height;
var wd = w/128.0;
var hd = h/64.0;
zoom=1;
if (wd<hd){
zoom=wd;//Math.floor(wd);
} else {
zoom=hd;//Math.floor(hd);
}
if(zoom<1){
zoom=1;
}
var dx=(w-128*zoom)/2;
var dy=(h-64*zoom)/2;
mainCanvasCtx.fillStyle="#000000";
mainCanvasCtx.fillRect(0,0,w,h);
linkCanvas.style.fontSize = `${8*zoom}px`;
if (curCanvasToDraw===null){
mainCanvasCtx.drawImage(images[currentIndex],0,0,128,64,dx,dy,128*zoom,64*zoom);
var zoomFactor=zoom;
var height=h;
textCanvasCtx.clearRect(0,0,w,h);
textCanvasCtx.textBaseline="top";
textCanvasCtx.textAlign="left";
textCanvasCtx.font=`${8*zoom}px Courier New`;
textCanvasCtx.fillStyle='white';
var s = gameState.texts[currentIndex];
var lines = s.split("\n");
for (var i=0;i<lines.length;i++){
var l = lines[i];
textCanvasCtx.fillText(l,dx+2*zoomFactor,dy+i*height/5.5)
textCanvasCtx.fillText(l,dx+2*zoomFactor,dy+i*height/5.5)
textCanvasCtx.fillText(l,dx+2*zoomFactor,dy+i*height/5.5)
textCanvasCtx.fillText(l,dx+2*zoomFactor,dy+i*height/5.5)
textCanvasCtx.fillText(l,dx+2*zoomFactor,dy+i*height/5.5)
textCanvasCtx.fillText(l,dx+2*zoomFactor,dy+i*height/5.5)
textCanvasCtx.fillText(l,dx+2*zoomFactor,dy+i*height/5.5)
textCanvasCtx.fillText(l,dx+2*zoomFactor,dy+i*height/5.5)
}
} else {
mainCanvasCtx.drawImage(curCanvasToDraw,0,0,128,64,dx,dy,128*zoom,64*zoom);
}
} else {
mainCanvasCtx.fillStyle="#140c1c";
mainCanvasCtx.fillRect(0,0,mainCanvas.width/2,mainCanvas.height/2);
mainCanvasCtx.fillStyle="#8595a1";
mainCanvasCtx.fillRect(mainCanvas.width/2,0,mainCanvas.width/2,mainCanvas.height/2);
mainCanvasCtx.fillStyle="#8595a1";
mainCanvasCtx.fillRect(0,mainCanvas.height/2,mainCanvas.width/2,mainCanvas.height/2);
mainCanvasCtx.fillStyle="#140c1c";
mainCanvasCtx.fillRect(mainCanvas.width/2,mainCanvas.height/2,mainCanvas.width/2,mainCanvas.height/2);
}
}
function getCoords(e) {
var x,y;
if(e.offsetX) {
x = e.offsetX;
y = e.offsetY;
}
else if(e.layerX) {
x = e.layerX;
y = e.layerY;
}
return [x,y];
}
var target=0;
function printNonZeros(a,stack){
var count=0;
for (var i=0;i<128;i++){
for (var j=0;j<64;j++){
if (a[j][i]!==null)
count++;
}
}
window.console.log(count + " non-zero entries.");
window.console.log("stack length " + stack.length+".");
}
var hex=['0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f']
function calcHeatmap(cal,col,fromCal){
var map = []
var stack = []
var c = hex[col]
//initialize
for (var j=0;j<64;j++){
for (var i=0;i<128;i++){
if (cal[i+128*j]===c){
var entry = [0,i,j]
map.push([0,i,j])
stack.push([i,j,0,i,j])
} else {
map.push(null)
}
}
}
//should replace this with a center of mass calculation from the old one
if (stack.length===0){
var cx=0;
var cy=0;
var count=0;
for (var i=0;i<128;i++){
for (var j=0;j<64;j++){
if (fromCal[i+128*j]===c){
cx+=i;
cy+=j;
count++;
}
}
}
if (count>0){
cx=Math.round(cx/count);
cy=Math.round(cy/count);
for (var j=0;j<64;j++){
for (var i=0;i<128;i++){
map[i+128*j]=[0,cx,cy];
}
}
}
}
//propagate
while(stack.length>0){
var entry = stack.shift();
//[fromx,fromy,dist,tox,toy]
var x0=entry[0];
var y0=entry[1];
var d0=entry[2];
var xtarget=entry[3];
var ytarget=entry[4];
var d1=d0+1;
var neighbours = [[x0-1,y0],[x0+1,y0],[x0,y0-1],[x0,y0+1]];
for (var i=0;i<4;i++){
var n = neighbours[i];
var nx=n[0];
var ny=n[1];
if (nx<0||ny<0||nx>=128||ny>=64){
continue;
}
var existing = map[nx+128*ny];
if (existing===null||d1<existing[0]){
map[nx+128*ny]=[d1,xtarget,ytarget]
stack.push([nx,ny,d1,xtarget,ytarget])
}
}
}
return map;
}
function generateParticleMotions(sourceCanvas,targetHeatMap,colIndex,particles,reverse){
if (reverse){
var c = hex[colIndex];
for (var i=0;i<128;i++){
for (var j=0;j<64;j++){
var pixel = sourceCanvas[i+128*j];
if (pixel===c){
//[d,tx,ty]
var target = targetHeatMap[i+128*j];
var tx = target[1];
var ty = target[2];
if (i!==tx||j!==ty)
particles.push([tx,ty,i,j])
}
}
}
} else {
var c = hex[colIndex];
for (var i=0;i<128;i++){
for (var j=0;j<64;j++){
var pixel = sourceCanvas[i+128*j];
if (pixel===c){
//[d,tx,ty]
var target = targetHeatMap[i+128*j];
var tx = target[1];
var ty = target[2];
particles.push([i,j,tx,ty])
}
}
}
}
}
function generateFrame(sourceImage,particleMap,progress){
var frame = [];
for (var j=0;j<64;j++){
for (var i=0;i<128;i++){
frame.push(sourceImage[i+128*j]);
}
}
for (var cIndex=0;cIndex<particleMap.length;cIndex++){
var c = hex[cIndex]
var particles = particleMap[cIndex]
for (var i=0;i<particles.length;i++){
var p = particles[i]
var x0=p[0]
var y0=p[1]
var x1=p[2]
var y1=p[3]
var dx=x1-x0
var dy=y1-y0
if (dx!==0||dy!==0){
// var xt = Math.round(x0+progress*dx+Math.random()*0.5-0.25)
// var yt = Math.round(y0+progress*dy+Math.random()*0.5-0.25)
var xt = Math.round(x0+progress*dx)
var yt = Math.round(y0+progress*dy)
frame[xt+128*yt]=c;
}
}
}
return frame;
}
function calcTransitionGrids(oldCanvas,newCanvas){
//generate 32 canvasses, for each color, for each direction
var particleMaps = []
for (var i=0;i<25;i++){
var forwardHeatmap = calcHeatmap(newCanvas,i,oldCanvas);
window.console.log("generated forward"+i);
var backwardHeatmap = calcHeatmap(oldCanvas,i,newCanvas);
window.console.log("generated backward"+i);
var particles=[]
var particleMotionsForward = generateParticleMotions(oldCanvas,forwardHeatmap,i,particles,false);
window.console.log("generated forward particles"+i);
var particleMotionsBackward = generateParticleMotions(newCanvas,backwardHeatmap,i,particles,true);
window.console.log("generated backwards particles"+i);
particleMaps.push(particles);
}
var frames=[];
frames.push(oldCanvas)
for (var i=1;i<frameCount;i++){
var frame = generateFrame(oldCanvas,particleMaps,i/frameCount)
frames.push(frame);
}
frames.push(newCanvas)
return frames;
}
var curCanvasToDraw=null;
var curAnimationFrames=null;
function transition(oldIndex,newIndex){
var oldCanvas = gameState.imageDats[oldIndex];
var newCanvas = gameState.imageDats[newIndex];
var frames = calcTransitionGrids(oldCanvas,newCanvas);
curAnimationFrames = frames;
return frames;
}
function drawNextFrame(){
curCanvasToDraw=printCanvas(curAnimationFrames[animationIndex])[0];
redraw();
animationIndex++;
if (animationIndex<curAnimationFrames.length){
setTimeout(drawNextFrame,1000*animationLength/frameCount);
} else {
animating=false;
}
}
var animationIndex=1;
function doAnimation(){
animating=true;
animationIndex=1;
drawNextFrame();
}
function clickLeft(){
if (currentVerb>0){
currentVerb--;
redraw();
}
}
function clickRight(){
if (currentVerb<5 && gameState.verbs[currentIndex][currentVerb+1][0]!==""){
currentVerb++;
redraw();
}
}
function clickAction(){
if (gameState.verbs[currentIndex][currentVerb][0]!==""){
currentIndex=parseInt(gameState.verbs[currentIndex][currentVerb][1]);
currentVerb=0;
redraw();
}
}
function keydown(evt){
switch(evt.keyCode){
case 37:{//left
clickLeft();
break;
}
case 39:{//right
clickRight();
break;
}
case 13://return
case 32://space
{
clickAction();
break;
}
}
}
var textCanvas;
var textCanvasCtx;
var mainCanvas;
var mainCanvasCtx;
var mainCanvasContainer;
var leftLink;
var rightLink;
var actionLink;
function init(){
window.addEventListener('resize', redraw, false);
leftLink=document.getElementById("leftLink");
rightLink=document.getElementById("rightLink");
actionLink=document.getElementById("actionLink");
leftLink.style.visibility="hidden";
rightLink.style.visibility="hidden";
actionLink.style.visibility="hidden";
textCanvas=document.getElementById("textCanvas");
textCanvasCtx=textCanvas.getContext("2d");
mainCanvas=document.getElementById("mainCanvas");
mainCanvasCtx=mainCanvas.getContext("2d");
mainCanvasContainer=document.getElementById("content");
document.addEventListener('keydown', keydown,false);
redraw();
getData();
}
var aurl = document.createElement('a');
function qualifyURL(url) {
aurl.href = url;
return aurl.href;
}
var gameState;
function loadState(code){
gameState=JSON.parse(code);
}
function getParameterByName(name) {
name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
results = regex.exec(location.search);
return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}
function getData(){
if (embeddedDat[0]!=='_'){
embeddedDat=decodeURI(embeddedDat);
loadState(embeddedDat);
renderImages();
return;
}
var id = getParameterByName("p").replace(/[\\\/]/,"");
if (id===null||id.length===0) {
console.log("No ID specified in URL.")
return;
}
var githubURL = 'https://api.github.com/gists/'+id;
var githubHTTPClient = new XMLHttpRequest();
githubHTTPClient.open('GET', githubURL);
githubHTTPClient.onreadystatechange = function() {
if(githubHTTPClient.readyState!=4) {
return;
}
var result = JSON.parse(githubHTTPClient.responseText);
if (githubHTTPClient.status===403) {
console.log(result.message);
} else if (githubHTTPClient.status!==200&&githubHTTPClient.status!==201) {
console.log("HTTP Error "+ githubHTTPClient.status + ' - ' + githubHTTPClient.statusText);
}
var result = JSON.parse(githubHTTPClient.responseText);
var code=result["files"]["game.txt"]["content"];
console.log(code);
loadState(code);
var hacklink = document.getElementById("hackLink");
var url = "flickuboy.html?p="+id;
url=qualifyURL(url);
hacklink.href=url;
hacklink.innerHTML="⊡ edit";
renderImages();
}
githubHTTPClient.setRequestHeader("Content-type","application/x-www-form-urlencoded");
githubHTTPClient.send();
}
function RLE_decode(encoded) {
var output = "";
for (var i=0;i<encoded.length;i+=2) {
var count = encoded[i];
var ch = encoded[i+1];
for (var j=0;j<count;j++){
output+=ch;
}
}
return output;
}
var colorPalette = [
"#140c1c",
"#8595a1"
];
var images = new Array();
var imageCtxts = new Array();
function printCanvas(descriptionString){
var canvas = document.createElement('canvas');
canvas.width="128";
canvas.height="64";
var ctx=canvas.getContext("2d");
for (var j=0;j<descriptionString.length;j++){
var x = j%128;
var y = Math.floor(j/128);
var ch=descriptionString[j];
var colIndex = parseInt(ch,16);
ctx.fillStyle=colorPalette[colIndex];
ctx.fillRect(x,y,1,1);
}
return [canvas,ctx];
}
function renderImages(){
gameState.imageDats = new Array();
for (var i=0;i<25;i++){
var descriptionArray = gameState.canvasses[i];
var descriptionString = RLE_decode(descriptionArray);
var canvas_context=printCanvas(descriptionString);
var canvas=canvas_context[0];
var ctx=canvas_context[1];
gameState.imageDats.push(descriptionString);
images.push(canvas);
imageCtxts.push(ctx);
}
redraw();
}
function goFullscreen(evt){
evt = evt || window.event;
if (evt.keyCode===70) { //f
var elem = document.getElementById("mainCanvas");
if (elem.requestFullscreen) {
elem.requestFullscreen();
} else if (elem.msRequestFullscreen) {
elem.msRequestFullscreen();
} else if (elem.mozRequestFullScreen) {
elem.mozRequestFullScreen();
} else if (elem.webkitRequestFullscreen) {
elem.webkitRequestFullscreen();
}
}
}
document.addEventListener("keydown", goFullscreen);
</script>
</head>
<body onload="init()" onkeydown="goFullscreen(event);">
<div id="content">
<canvas id="mainCanvas"></canvas>
<canvas id="textCanvas"></canvas>
<div id="linkCanvas">
<a id="leftLink" href="javascript:void(0);" onclick="clickLeft()"><</a> <a id="actionLink" href="javascript:void(0);" onclick="clickAction()">do something</a> <a id="rightLink" href="javascript:void(0);" onclick="clickRight()">></a></canvas>
</div>
<p>
</div>
<div id="footer">
<a href="http://www.flickgame.org" id="hackLink"></a> <a id="homeLink" href="http://www.flickgame.org"></a>
</div>
</body>
</html>